On Linux/x86-64, revision 162270: http://gcc.gnu.org/ml/gcc-cvs/2010-07/msg00624.html caused: FAIL: gcc.c-torture/execute/nest-stdar-1.c execution, -O3 -fomit-frame-pointer FAIL: gcc.c-torture/execute/nest-stdar-1.c execution, -O3 -g FAIL: gcc.c-torture/execute/pr44575.c execution, -O1 FAIL: gcc.c-torture/execute/pr44575.c execution, -O2 FAIL: gcc.c-torture/execute/pr44575.c execution, -O2 -flto FAIL: gcc.c-torture/execute/pr44575.c execution, -O2 -fwhopr FAIL: gcc.c-torture/execute/pr44575.c execution, -O3 -fomit-frame-pointer FAIL: gcc.c-torture/execute/pr44575.c execution, -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions FAIL: gcc.c-torture/execute/pr44575.c execution, -O3 -fomit-frame-pointer -funroll-loops FAIL: gcc.c-torture/execute/pr44575.c execution, -O3 -g FAIL: gcc.c-torture/execute/pr44575.c execution, -Os FAIL: gcc.c-torture/execute/stdarg-1.c execution, -O3 -fomit-frame-pointer FAIL: gcc.c-torture/execute/stdarg-1.c execution, -O3 -g FAIL: gcc.c-torture/execute/stdarg-3.c execution, -O1 FAIL: gcc.c-torture/execute/stdarg-3.c execution, -O2 FAIL: gcc.c-torture/execute/stdarg-3.c execution, -O2 -flto FAIL: gcc.c-torture/execute/stdarg-3.c execution, -O2 -fwhopr FAIL: gcc.c-torture/execute/stdarg-3.c execution, -O3 -fomit-frame-pointer FAIL: gcc.c-torture/execute/stdarg-3.c execution, -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions FAIL: gcc.c-torture/execute/stdarg-3.c execution, -O3 -fomit-frame-pointer -funroll-loops FAIL: gcc.c-torture/execute/stdarg-3.c execution, -O3 -g FAIL: gcc.c-torture/execute/stdarg-3.c execution, -Os FAIL: gcc.c-torture/execute/stdarg-4.c execution, -O1 FAIL: gcc.c-torture/execute/stdarg-4.c execution, -O2 FAIL: gcc.c-torture/execute/stdarg-4.c execution, -O2 -flto FAIL: gcc.c-torture/execute/stdarg-4.c execution, -O2 -fwhopr FAIL: gcc.c-torture/execute/stdarg-4.c execution, -O3 -fomit-frame-pointer FAIL: gcc.c-torture/execute/stdarg-4.c execution, -O3 -g FAIL: gcc.c-torture/execute/stdarg-4.c execution, -Os FAIL: gcc.c-torture/execute/va-arg-26.c execution, -O3 -fomit-frame-pointer FAIL: gcc.c-torture/execute/va-arg-26.c execution, -O3 -g FAIL: gcc.target/i386/amd64-abi-5.c execution test FAIL: gcc.target/i386/vararg-3.c execution test FAIL: gcc.target/i386/vararg-7.c execution test
According to http://gcc.gnu.org/ml/gcc-patches/2010-07/msg01409.html this is an x86 backend bug.
The proposed patch in http://gcc.gnu.org/ml/gcc-patches/2010-07/msg01409.html shifts the bootstrap failure on x86_64-apple-darwin10 to... libtool: compile: /Users/howarth/darwin_objdir/./gcc/xgcc -B/Users/howarth/darwin_objdir/./gcc/ -B/Users/howarth/dist/x86_64-apple-darwin10.4.0/bin/ -B/Users/howarth/dist/x86_64-apple-darwin10.4.0/lib/ -isystem /Users/howarth/dist/x86_64-apple-darwin10.4.0/include -isystem /Users/howarth/dist/x86_64-apple-darwin10.4.0/sys-include -DHAVE_CONFIG_H -I. -I../../../gcc/libgomp -I../../../gcc/libgomp/config/bsd -I../../../gcc/libgomp/config/posix -I../../../gcc/libgomp -Wall -pthread -Werror -g -O2 -MT barrier.lo -MD -MP -MF .deps/barrier.Tpo -c ../../../gcc/libgomp/barrier.c -o barrier.o >/dev/null 2>&1 ../../../gcc/libgomp/error.c: In function ‘gomp_error’: ../../../gcc/libgomp/error.c:54:1: error: unrecognizable insn: (insn 32 31 11 2 ../../../gcc/libgomp/error.c:48 (parallel [ (set (mem/c:BLK (plus:DI (reg/f:DI 6 bp) (const_int -128 [0xffffffffffffff80])) [0 A64]) (unspec:BLK [ (reg:DI 21 xmm0) (reg:DI 22 xmm1) (reg:DI 23 xmm2) (reg:DI 24 xmm3) (reg:DI 25 xmm4) (reg:DI 26 xmm5) (reg:DI 27 xmm6) (reg:DI 28 xmm7) ] UNSPEC_SSE_PROLOGUE_SAVE_LOW)) (use (reg:DI 0 ax [58])) (use (const_int 0 [0])) (use (label_ref:DI 0)) (use (const_int 4 [0x4])) ]) -1 (nil)) ../../../gcc/libgomp/error.c:54:1: internal compiler error: in extract_insn, at recog.c:2127 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. make[5]: *** [error.lo] Error 1 make[5]: *** Waiting for unfinished jobs....
Fixed as of revision 162396.